Home / 12,398.94-18,596.37-4,079.06

Finding the Fourth Proportional to 12,398.94, 18,596.37 and 4,079.06

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Solution

The fourth proportional to 12,398.94, 18,596.37 and 4,079.06 is: 6,117.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,398.94 : 18,596.37 = 4,079.06 : x
  2. Step 2: Convert to fraction form
    12,398.94/18,596.37 = 4,079.06/x
  3. Step 3: Cross multiply
    12,398.94x = 18,596.37 × 4,079.06
  4. Step 4: Simplify right side
    12,398.94x = 75,855,709.01
  5. Step 5: Solve for x
    x = 75,855,709.01/12,398.94
  6. Step 6: Final answer
    x = 6,117.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.